From 3932100f6df604496d3d19e0247df6c52359f0a6 Mon Sep 17 00:00:00 2001 From: Parth Malkan Date: Fri, 24 Sep 2021 14:25:35 -0700 Subject: zephyr: create led.c file local to Lazor project Add led.c file locally to zephyr lazor project and unlink from CrOs led.c file BRANCH=None BUG=b:201007290 TEST=builds Signed-off-by: Parth Malkan Change-Id: Ibf3223da8889233cbc7cb3b21e78c6ea0773201a Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3183184 Reviewed-by: Wai-Hong Tam --- zephyr/projects/trogdor/lazor/CMakeLists.txt | 6 +- zephyr/projects/trogdor/lazor/src/led.c | 155 +++++++++++++++++++++++++++ 2 files changed, 158 insertions(+), 3 deletions(-) create mode 100644 zephyr/projects/trogdor/lazor/src/led.c diff --git a/zephyr/projects/trogdor/lazor/CMakeLists.txt b/zephyr/projects/trogdor/lazor/CMakeLists.txt index 2344e25666..7ab5d6a92e 100644 --- a/zephyr/projects/trogdor/lazor/CMakeLists.txt +++ b/zephyr/projects/trogdor/lazor/CMakeLists.txt @@ -20,9 +20,6 @@ zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_USBC "${PLATFORM_EC_BASEBOARD}/usbc_config.c" "${PLATFORM_EC_BASEBOARD}/usb_pd_policy.c") -zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_LED_COMMON - "${PLATFORM_EC_BOARD}/led.c") - zephyr_library_sources( "${PLATFORM_EC_BOARD}/hibernate.c" "${PLATFORM_EC_BOARD}/sku.c" @@ -32,3 +29,6 @@ zephyr_library_sources( # Board specific implementation zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_I2C "src/i2c.c") + +zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_LED_COMMON + "src/led.c") diff --git a/zephyr/projects/trogdor/lazor/src/led.c b/zephyr/projects/trogdor/lazor/src/led.c new file mode 100644 index 0000000000..e4b34576c8 --- /dev/null +++ b/zephyr/projects/trogdor/lazor/src/led.c @@ -0,0 +1,155 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Power and battery LED control. + */ + +#include "battery.h" +#include "charge_manager.h" +#include "charge_state.h" +#include "chipset.h" +#include "ec_commands.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "led_common.h" +#include "system.h" +#include "util.h" + +#define LED_ONE_SEC (1000 / HOOK_TICK_INTERVAL_MS) + +#define BAT_LED_ON 1 +#define BAT_LED_OFF 0 + +const enum ec_led_id supported_led_ids[] = { + EC_LED_ID_BATTERY_LED, +}; + +const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); + +enum led_color { + LED_OFF = 0, + LED_AMBER, + LED_BLUE, + LED_COLOR_COUNT /* Number of colors, not a color itself */ +}; + +static void led_set_color(enum led_color color) +{ + gpio_set_level(GPIO_EC_CHG_LED_Y_C1, + (color == LED_AMBER) ? BAT_LED_ON : BAT_LED_OFF); + gpio_set_level(GPIO_EC_CHG_LED_B_C1, + (color == LED_BLUE) ? BAT_LED_ON : BAT_LED_OFF); +} + +void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) +{ + brightness_range[EC_LED_COLOR_AMBER] = 1; + brightness_range[EC_LED_COLOR_BLUE] = 1; +} + +int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) +{ + if (brightness[EC_LED_COLOR_BLUE] != 0) + led_set_color(LED_BLUE); + else if (brightness[EC_LED_COLOR_AMBER] != 0) + led_set_color(LED_AMBER); + else + led_set_color(LED_OFF); + + return EC_SUCCESS; +} + +static void board_led_set_battery(void) +{ + static int battery_ticks; + int color = LED_OFF; + int period = 0; + uint32_t chflags = charge_get_flags(); + + battery_ticks++; + + switch (charge_get_state()) { + case PWR_STATE_CHARGE: + /* Always indicate amber on when charging. */ + color = LED_AMBER; + break; + case PWR_STATE_DISCHARGE: + if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) { + /* Discharging in S3: Amber 1 sec, off 3 sec */ + period = (1 + 3) * LED_ONE_SEC; + battery_ticks = battery_ticks % period; + if (battery_ticks < 1 * LED_ONE_SEC) + color = LED_AMBER; + else + color = LED_OFF; + } else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) { + /* Discharging in S5: off */ + color = LED_OFF; + } else if (chipset_in_state(CHIPSET_STATE_ON)) { + /* Discharging in S0: Blue on */ + color = LED_BLUE; + } + break; + case PWR_STATE_ERROR: + /* Battery error: Amber 1 sec, off 1 sec */ + period = (1 + 1) * LED_ONE_SEC; + battery_ticks = battery_ticks % period; + if (battery_ticks < 1 * LED_ONE_SEC) + color = LED_AMBER; + else + color = LED_OFF; + break; + case PWR_STATE_CHARGE_NEAR_FULL: + /* Full Charged: Blue on */ + color = LED_BLUE; + break; + case PWR_STATE_IDLE: /* External power connected in IDLE */ + if (chflags & CHARGE_FLAG_FORCE_IDLE) { + /* Factory mode: Blue 2 sec, Amber 2 sec */ + period = (2 + 2) * LED_ONE_SEC; + battery_ticks = battery_ticks % period; + if (battery_ticks < 2 * LED_ONE_SEC) + color = LED_BLUE; + else + color = LED_AMBER; + } else + color = LED_BLUE; + break; + default: + /* Other states don't alter LED behavior */ + break; + } + + led_set_color(color); +} + +/* Called by hook task every TICK */ +static void led_tick(void) +{ + if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) + board_led_set_battery(); +} +DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT); + +void led_control(enum ec_led_id led_id, enum ec_led_state state) +{ + enum led_color color; + + if ((led_id != EC_LED_ID_RECOVERY_HW_REINIT_LED) && + (led_id != EC_LED_ID_SYSRQ_DEBUG_LED)) + return; + + if (state == LED_STATE_RESET) { + led_auto_control(EC_LED_ID_BATTERY_LED, 1); + board_led_set_battery(); + return; + } + + color = state ? LED_BLUE : LED_OFF; + + led_auto_control(EC_LED_ID_BATTERY_LED, 0); + + led_set_color(color); +} -- cgit v1.2.1